blob: 4fe2dfcdd171116153f09ed8fae025684482b29a [file] [log] [blame]
Tom Rini10e47792018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0+
Stefan Roese648391c2016-08-30 16:48:20 +02002/*
3 * Copyright (C) 2015-2016 Marvell International Ltd.
Stefan Roese648391c2016-08-30 16:48:20 +02004 */
5
6#include <common.h>
7#include <fdtdec.h>
Simon Glass0f2af882020-05-10 11:40:05 -06008#include <log.h>
Simon Glass3ba929a2020-10-30 21:38:53 -06009#include <asm/global_data.h>
Stefan Roese648391c2016-08-30 16:48:20 +020010#include <asm/io.h>
Grzegorz Jaszczyk7928a8e2020-10-18 17:11:11 +030011#include <asm/ptrace.h>
Stefan Roese648391c2016-08-30 16:48:20 +020012#include <asm/arch/cpu.h>
13#include <asm/arch/soc.h>
Simon Glassdbd79542020-05-10 11:40:11 -060014#include <linux/delay.h>
Stefan Roese648391c2016-08-30 16:48:20 +020015
Marek BehĂșn19ce44c2018-08-17 12:58:51 +020016#include "comphy_core.h"
Stefan Roese648391c2016-08-30 16:48:20 +020017#include "sata.h"
18#include "utmi_phy.h"
19
20DECLARE_GLOBAL_DATA_PTR;
21
Grzegorz Jaszczyk7928a8e2020-10-18 17:11:11 +030022/* Firmware related definitions used for SMC calls */
23#define MV_SIP_COMPHY_POWER_ON 0x82000001
24#define MV_SIP_COMPHY_POWER_OFF 0x82000002
25#define MV_SIP_COMPHY_PLL_LOCK 0x82000003
Grzegorz Jaszczyka8e6b492018-04-03 16:59:12 +020026#define MV_SIP_COMPHY_XFI_TRAIN 0x82000004
Grzegorz Jaszczyk7928a8e2020-10-18 17:11:11 +030027
Igal Liberman67d1a3f2020-10-18 17:11:13 +030028/* Used to distinguish between different possible callers (U-boot/Linux) */
29#define COMPHY_CALLER_UBOOT (0x1 << 21)
30
Grzegorz Jaszczyk7928a8e2020-10-18 17:11:11 +030031#define COMPHY_FW_MODE_FORMAT(mode) ((mode) << 12)
32#define COMPHY_FW_FORMAT(mode, idx, speeds) \
33 (((mode) << 12) | ((idx) << 8) | ((speeds) << 2))
Grzegorz Jaszczykc42b5a32020-10-18 17:11:12 +030034
35#define COMPHY_FW_PCIE_FORMAT(pcie_width, clk_src, mode, speeds) \
Igal Liberman67d1a3f2020-10-18 17:11:13 +030036 (COMPHY_CALLER_UBOOT | ((pcie_width) << 18) | \
37 ((clk_src) << 17) | COMPHY_FW_FORMAT(mode, 0, speeds))
Grzegorz Jaszczykc42b5a32020-10-18 17:11:12 +030038
Denis Odintsovfcbb2552021-09-15 15:45:31 +020039/* Invert polarity are bits 1-0 of the mode */
40#define COMPHY_FW_SATA_FORMAT(mode, invert) \
41 ((invert) | COMPHY_FW_MODE_FORMAT(mode))
42
Grzegorz Jaszczyk7928a8e2020-10-18 17:11:11 +030043#define COMPHY_SATA_MODE 0x1
44#define COMPHY_SGMII_MODE 0x2 /* SGMII 1G */
45#define COMPHY_HS_SGMII_MODE 0x3 /* SGMII 2.5G */
46#define COMPHY_USB3H_MODE 0x4
47#define COMPHY_USB3D_MODE 0x5
48#define COMPHY_PCIE_MODE 0x6
49#define COMPHY_RXAUI_MODE 0x7
50#define COMPHY_XFI_MODE 0x8
51#define COMPHY_SFI_MODE 0x9
52#define COMPHY_USB3_MODE 0xa
53#define COMPHY_AP_MODE 0xb
54
55/* Comphy unit index macro */
56#define COMPHY_UNIT_ID0 0
57#define COMPHY_UNIT_ID1 1
58#define COMPHY_UNIT_ID2 2
59#define COMPHY_UNIT_ID3 3
60
Stefan Roese648391c2016-08-30 16:48:20 +020061struct utmi_phy_data {
Grzegorz Jaszczyk85bb2062019-02-27 15:35:58 +010062 void __iomem *utmi_pll_addr;
Stefan Roese648391c2016-08-30 16:48:20 +020063 void __iomem *utmi_base_addr;
64 void __iomem *usb_cfg_addr;
65 void __iomem *utmi_cfg_addr;
66 u32 utmi_phy_port;
67};
68
Stefan Roese648391c2016-08-30 16:48:20 +020069static u32 polling_with_timeout(void __iomem *addr, u32 val,
70 u32 mask, unsigned long usec_timout)
71{
72 u32 data;
73
74 do {
75 udelay(1);
76 data = readl(addr) & mask;
77 } while (data != val && --usec_timout > 0);
78
79 if (usec_timout == 0)
80 return data;
81
82 return 0;
83}
84
Grzegorz Jaszczyka8e6b492018-04-03 16:59:12 +020085static int comphy_smc(u32 function_id, void __iomem *comphy_base_addr,
86 u32 lane, u32 mode)
Igal Liberman6795a662021-03-23 11:57:57 +010087{
Grzegorz Jaszczyka8e6b492018-04-03 16:59:12 +020088 struct pt_regs pregs = {0};
Igal Liberman6795a662021-03-23 11:57:57 +010089
Grzegorz Jaszczyka8e6b492018-04-03 16:59:12 +020090 pregs.regs[0] = function_id;
91 pregs.regs[1] = (unsigned long)comphy_base_addr;
92 pregs.regs[2] = lane;
93 pregs.regs[3] = mode;
Igal Liberman6795a662021-03-23 11:57:57 +010094
Grzegorz Jaszczyka8e6b492018-04-03 16:59:12 +020095 smc_call(&pregs);
Igal Liberman6795a662021-03-23 11:57:57 +010096
Grzegorz Jaszczyka8e6b492018-04-03 16:59:12 +020097 /*
98 * TODO: Firmware return 0 on success, temporary map it to u-boot
99 * convention, but after all comphy will be reworked the convention in
100 * u-boot should be change and this conversion removed
101 */
102 return pregs.regs[0] ? 0 : 1;
Igal Liberman6795a662021-03-23 11:57:57 +0100103}
104
105/* This function performs RX training for all FFE possible values.
106 * We get the result for each FFE and eventually the best FFE will
107 * be used and set to the HW.
108 *
109 * Return '1' on succsess.
110 * Return '0' on failure.
111 */
112int comphy_cp110_sfi_rx_training(struct chip_serdes_phy_config *ptr_chip_cfg,
113 u32 lane)
114{
Igal Liberman6795a662021-03-23 11:57:57 +0100115 int ret;
Igal Libermand7297e32018-05-14 11:20:54 +0300116 u32 type = ptr_chip_cfg->comphy_map_data[lane].type;
Igal Liberman6795a662021-03-23 11:57:57 +0100117
118 debug_enter();
119
Igal Libermand7297e32018-05-14 11:20:54 +0300120 if (type != COMPHY_TYPE_SFI0 && type != COMPHY_TYPE_SFI1) {
Igal Liberman6795a662021-03-23 11:57:57 +0100121 pr_err("Comphy %d isn't configured to SFI\n", lane);
122 return 0;
123 }
124
Grzegorz Jaszczyka8e6b492018-04-03 16:59:12 +0200125 /* Mode is not relevant for xfi training */
126 ret = comphy_smc(MV_SIP_COMPHY_XFI_TRAIN,
127 ptr_chip_cfg->comphy_base_addr, lane, 0);
Igal Liberman6795a662021-03-23 11:57:57 +0100128
129 debug_exit();
130
131 return ret;
132}
133
Stefan Roese648391c2016-08-30 16:48:20 +0200134static int comphy_sata_power_up(u32 lane, void __iomem *hpipe_base,
Grzegorz Jaszczyk7928a8e2020-10-18 17:11:11 +0300135 void __iomem *comphy_base_addr, int cp_index,
136 u32 type)
Stefan Roese648391c2016-08-30 16:48:20 +0200137{
138 u32 mask, data, i, ret = 1;
Stefan Roese648391c2016-08-30 16:48:20 +0200139 void __iomem *sata_base = NULL;
140 int sata_node = -1; /* Set to -1 in order to read the first sata node */
141
142 debug_enter();
143
144 /*
145 * Assumption - each CP has only one SATA controller
146 * Calling fdt_node_offset_by_compatible first time (with sata_node = -1
147 * will return the first node always.
148 * In order to parse each CPs SATA node, fdt_node_offset_by_compatible
149 * must be called again (according to the CP id)
150 */
Igal Libermanc8855ce2017-04-24 18:45:32 +0300151 for (i = 0; i < (cp_index + 1); i++)
Stefan Roese648391c2016-08-30 16:48:20 +0200152 sata_node = fdt_node_offset_by_compatible(
153 gd->fdt_blob, sata_node, "marvell,armada-8k-ahci");
154
155 if (sata_node == 0) {
Masahiro Yamada81e10422017-09-16 14:10:41 +0900156 pr_err("SATA node not found in FDT\n");
Stefan Roese648391c2016-08-30 16:48:20 +0200157 return 0;
158 }
159
160 sata_base = (void __iomem *)fdtdec_get_addr_size_auto_noparent(
161 gd->fdt_blob, sata_node, "reg", 0, NULL, true);
162 if (sata_base == NULL) {
Masahiro Yamada81e10422017-09-16 14:10:41 +0900163 pr_err("SATA address not found in FDT\n");
Stefan Roese648391c2016-08-30 16:48:20 +0200164 return 0;
165 }
166
167 debug("SATA address found in FDT %p\n", sata_base);
168
169 debug("stage: MAC configuration - power down comphy\n");
170 /*
171 * MAC configuration powe down comphy use indirect address for
172 * vendor spesific SATA control register
173 */
174 reg_set(sata_base + SATA3_VENDOR_ADDRESS,
175 SATA_CONTROL_REG << SATA3_VENDOR_ADDR_OFSSET,
176 SATA3_VENDOR_ADDR_MASK);
177 /* SATA 0 power down */
178 mask = SATA3_CTRL_SATA0_PD_MASK;
179 data = 0x1 << SATA3_CTRL_SATA0_PD_OFFSET;
180 /* SATA 1 power down */
181 mask |= SATA3_CTRL_SATA1_PD_MASK;
182 data |= 0x1 << SATA3_CTRL_SATA1_PD_OFFSET;
183 /* SATA SSU disable */
184 mask |= SATA3_CTRL_SATA1_ENABLE_MASK;
185 data |= 0x0 << SATA3_CTRL_SATA1_ENABLE_OFFSET;
186 /* SATA port 1 disable */
187 mask |= SATA3_CTRL_SATA_SSU_MASK;
188 data |= 0x0 << SATA3_CTRL_SATA_SSU_OFFSET;
189 reg_set(sata_base + SATA3_VENDOR_DATA, data, mask);
190
Grzegorz Jaszczyk7928a8e2020-10-18 17:11:11 +0300191 ret = comphy_smc(MV_SIP_COMPHY_POWER_ON, comphy_base_addr, lane, type);
Stefan Roese648391c2016-08-30 16:48:20 +0200192
Stefan Roese648391c2016-08-30 16:48:20 +0200193 /*
194 * MAC configuration power up comphy - power up PLL/TX/RX
195 * use indirect address for vendor spesific SATA control register
196 */
197 reg_set(sata_base + SATA3_VENDOR_ADDRESS,
198 SATA_CONTROL_REG << SATA3_VENDOR_ADDR_OFSSET,
199 SATA3_VENDOR_ADDR_MASK);
200 /* SATA 0 power up */
201 mask = SATA3_CTRL_SATA0_PD_MASK;
202 data = 0x0 << SATA3_CTRL_SATA0_PD_OFFSET;
203 /* SATA 1 power up */
204 mask |= SATA3_CTRL_SATA1_PD_MASK;
205 data |= 0x0 << SATA3_CTRL_SATA1_PD_OFFSET;
206 /* SATA SSU enable */
207 mask |= SATA3_CTRL_SATA1_ENABLE_MASK;
208 data |= 0x1 << SATA3_CTRL_SATA1_ENABLE_OFFSET;
209 /* SATA port 1 enable */
210 mask |= SATA3_CTRL_SATA_SSU_MASK;
211 data |= 0x1 << SATA3_CTRL_SATA_SSU_OFFSET;
212 reg_set(sata_base + SATA3_VENDOR_DATA, data, mask);
213
214 /* MBUS request size and interface select register */
215 reg_set(sata_base + SATA3_VENDOR_ADDRESS,
216 SATA_MBUS_SIZE_SELECT_REG << SATA3_VENDOR_ADDR_OFSSET,
217 SATA3_VENDOR_ADDR_MASK);
218 /* Mbus regret enable */
219 reg_set(sata_base + SATA3_VENDOR_DATA,
220 0x1 << SATA_MBUS_REGRET_EN_OFFSET, SATA_MBUS_REGRET_EN_MASK);
221
Grzegorz Jaszczyk7928a8e2020-10-18 17:11:11 +0300222 ret = comphy_smc(MV_SIP_COMPHY_PLL_LOCK, comphy_base_addr, lane, type);
Stefan Roese648391c2016-08-30 16:48:20 +0200223
224 debug_exit();
225 return ret;
226}
227
Stefan Roese648391c2016-08-30 16:48:20 +0200228static void comphy_utmi_power_down(u32 utmi_index, void __iomem *utmi_base_addr,
229 void __iomem *usb_cfg_addr,
230 void __iomem *utmi_cfg_addr,
231 u32 utmi_phy_port)
232{
233 u32 mask, data;
234
235 debug_enter();
236 debug("stage: UTMI %d - Power down transceiver (power down Phy), Power down PLL, and SuspendDM\n",
237 utmi_index);
238 /* Power down UTMI PHY */
239 reg_set(utmi_cfg_addr, 0x0 << UTMI_PHY_CFG_PU_OFFSET,
240 UTMI_PHY_CFG_PU_MASK);
241
242 /*
243 * If UTMI connected to USB Device, configure mux prior to PHY init
244 * (Device can be connected to UTMI0 or to UTMI1)
245 */
Stefan Roeseb781f572017-04-24 18:45:23 +0300246 if (utmi_phy_port == UTMI_PHY_TO_USB3_DEVICE0) {
Stefan Roese648391c2016-08-30 16:48:20 +0200247 debug("stage: UTMI %d - Enable Device mode and configure UTMI mux\n",
248 utmi_index);
249 /* USB3 Device UTMI enable */
250 mask = UTMI_USB_CFG_DEVICE_EN_MASK;
251 data = 0x1 << UTMI_USB_CFG_DEVICE_EN_OFFSET;
252 /* USB3 Device UTMI MUX */
253 mask |= UTMI_USB_CFG_DEVICE_MUX_MASK;
254 data |= utmi_index << UTMI_USB_CFG_DEVICE_MUX_OFFSET;
255 reg_set(usb_cfg_addr, data, mask);
256 }
257
258 /* Set Test suspendm mode */
259 mask = UTMI_CTRL_STATUS0_SUSPENDM_MASK;
260 data = 0x1 << UTMI_CTRL_STATUS0_SUSPENDM_OFFSET;
261 /* Enable Test UTMI select */
262 mask |= UTMI_CTRL_STATUS0_TEST_SEL_MASK;
263 data |= 0x1 << UTMI_CTRL_STATUS0_TEST_SEL_OFFSET;
264 reg_set(utmi_base_addr + UTMI_CTRL_STATUS0_REG, data, mask);
265
266 /* Wait for UTMI power down */
267 mdelay(1);
268
269 debug_exit();
270 return;
271}
272
Grzegorz Jaszczyk85bb2062019-02-27 15:35:58 +0100273static void comphy_utmi_phy_config(u32 utmi_index, void __iomem *utmi_pll_addr,
274 void __iomem *utmi_base_addr,
Stefan Roese648391c2016-08-30 16:48:20 +0200275 void __iomem *usb_cfg_addr,
276 void __iomem *utmi_cfg_addr,
277 u32 utmi_phy_port)
278{
279 u32 mask, data;
280
281 debug_exit();
282 debug("stage: Configure UTMI PHY %d registers\n", utmi_index);
283 /* Reference Clock Divider Select */
284 mask = UTMI_PLL_CTRL_REFDIV_MASK;
285 data = 0x5 << UTMI_PLL_CTRL_REFDIV_OFFSET;
286 /* Feedback Clock Divider Select - 90 for 25Mhz*/
287 mask |= UTMI_PLL_CTRL_FBDIV_MASK;
288 data |= 0x60 << UTMI_PLL_CTRL_FBDIV_OFFSET;
289 /* Select LPFR - 0x0 for 25Mhz/5=5Mhz*/
290 mask |= UTMI_PLL_CTRL_SEL_LPFR_MASK;
291 data |= 0x0 << UTMI_PLL_CTRL_SEL_LPFR_OFFSET;
Grzegorz Jaszczyk85bb2062019-02-27 15:35:58 +0100292 reg_set(utmi_pll_addr + UTMI_PLL_CTRL_REG, data, mask);
Stefan Roese648391c2016-08-30 16:48:20 +0200293
294 /* Impedance Calibration Threshold Setting */
Grzegorz Jaszczyk390c11c2019-03-14 13:00:53 +0100295 mask = UTMI_CALIB_CTRL_IMPCAL_VTH_MASK;
296 data = 0x7 << UTMI_CALIB_CTRL_IMPCAL_VTH_OFFSET;
297 reg_set(utmi_pll_addr + UTMI_CALIB_CTRL_REG, data, mask);
298
299 /* Start Impedance and PLL Calibration */
300 mask = UTMI_CALIB_CTRL_PLLCAL_START_MASK;
301 data = (0x1 << UTMI_CALIB_CTRL_PLLCAL_START_OFFSET);
302 mask |= UTMI_CALIB_CTRL_IMPCAL_START_MASK;
303 data |= (0x1 << UTMI_CALIB_CTRL_IMPCAL_START_OFFSET);
304 reg_set(utmi_pll_addr + UTMI_CALIB_CTRL_REG, data, mask);
Stefan Roese648391c2016-08-30 16:48:20 +0200305
306 /* Set LS TX driver strength coarse control */
Igal Liberman32af2162017-04-30 20:16:55 +0300307 mask = UTMI_TX_CH_CTRL_AMP_MASK;
308 data = 0x4 << UTMI_TX_CH_CTRL_AMP_OFFSET;
Grzegorz Jaszczyk390c11c2019-03-14 13:00:53 +0100309 mask |= UTMI_TX_CH_CTRL_IMP_SEL_LS_MASK;
310 data |= 0x3 << UTMI_TX_CH_CTRL_IMP_SEL_LS_OFFSET;
311 mask |= UTMI_TX_CH_CTRL_DRV_EN_LS_MASK;
312 data |= 0x3 << UTMI_TX_CH_CTRL_DRV_EN_LS_OFFSET;
Stefan Roese648391c2016-08-30 16:48:20 +0200313 reg_set(utmi_base_addr + UTMI_TX_CH_CTRL_REG, data, mask);
314
315 /* Enable SQ */
316 mask = UTMI_RX_CH_CTRL0_SQ_DET_MASK;
Grzegorz Jaszczyk390c11c2019-03-14 13:00:53 +0100317 data = 0x1 << UTMI_RX_CH_CTRL0_SQ_DET_OFFSET;
Stefan Roese648391c2016-08-30 16:48:20 +0200318 /* Enable analog squelch detect */
319 mask |= UTMI_RX_CH_CTRL0_SQ_ANA_DTC_MASK;
Grzegorz Jaszczyk390c11c2019-03-14 13:00:53 +0100320 data |= 0x0 << UTMI_RX_CH_CTRL0_SQ_ANA_DTC_OFFSET;
321 mask |= UTMI_RX_CH_CTRL0_DISCON_THRESH_MASK;
322 data |= 0x0 << UTMI_RX_CH_CTRL0_DISCON_THRESH_OFFSET;
Stefan Roese648391c2016-08-30 16:48:20 +0200323 reg_set(utmi_base_addr + UTMI_RX_CH_CTRL0_REG, data, mask);
324
325 /* Set External squelch calibration number */
326 mask = UTMI_RX_CH_CTRL1_SQ_AMP_CAL_MASK;
327 data = 0x1 << UTMI_RX_CH_CTRL1_SQ_AMP_CAL_OFFSET;
328 /* Enable the External squelch calibration */
329 mask |= UTMI_RX_CH_CTRL1_SQ_AMP_CAL_EN_MASK;
330 data |= 0x1 << UTMI_RX_CH_CTRL1_SQ_AMP_CAL_EN_OFFSET;
331 reg_set(utmi_base_addr + UTMI_RX_CH_CTRL1_REG, data, mask);
332
333 /* Set Control VDAT Reference Voltage - 0.325V */
334 mask = UTMI_CHGDTC_CTRL_VDAT_MASK;
335 data = 0x1 << UTMI_CHGDTC_CTRL_VDAT_OFFSET;
336 /* Set Control VSRC Reference Voltage - 0.6V */
337 mask |= UTMI_CHGDTC_CTRL_VSRC_MASK;
338 data |= 0x1 << UTMI_CHGDTC_CTRL_VSRC_OFFSET;
339 reg_set(utmi_base_addr + UTMI_CHGDTC_CTRL_REG, data, mask);
340
341 debug_exit();
342 return;
343}
344
Grzegorz Jaszczyk85bb2062019-02-27 15:35:58 +0100345static int comphy_utmi_power_up(u32 utmi_index, void __iomem *utmi_pll_addr,
346 void __iomem *utmi_base_addr,
Stefan Roese648391c2016-08-30 16:48:20 +0200347 void __iomem *usb_cfg_addr,
348 void __iomem *utmi_cfg_addr, u32 utmi_phy_port)
349{
350 u32 data, mask, ret = 1;
351 void __iomem *addr;
352
353 debug_enter();
354 debug("stage: UTMI %d - Power up transceiver(Power up Phy), and exit SuspendDM\n",
355 utmi_index);
356 /* Power UP UTMI PHY */
357 reg_set(utmi_cfg_addr, 0x1 << UTMI_PHY_CFG_PU_OFFSET,
358 UTMI_PHY_CFG_PU_MASK);
359 /* Disable Test UTMI select */
360 reg_set(utmi_base_addr + UTMI_CTRL_STATUS0_REG,
361 0x0 << UTMI_CTRL_STATUS0_TEST_SEL_OFFSET,
362 UTMI_CTRL_STATUS0_TEST_SEL_MASK);
363
364 debug("stage: Polling for PLL and impedance calibration done, and PLL ready done\n");
Grzegorz Jaszczyk85bb2062019-02-27 15:35:58 +0100365 addr = utmi_pll_addr + UTMI_CALIB_CTRL_REG;
Stefan Roese648391c2016-08-30 16:48:20 +0200366 data = UTMI_CALIB_CTRL_IMPCAL_DONE_MASK;
367 mask = data;
368 data = polling_with_timeout(addr, data, mask, 100);
369 if (data != 0) {
Masahiro Yamada81e10422017-09-16 14:10:41 +0900370 pr_err("Impedance calibration is not done\n");
Stefan Roese648391c2016-08-30 16:48:20 +0200371 debug("Read from reg = %p - value = 0x%x\n", addr, data);
372 ret = 0;
373 }
374
375 data = UTMI_CALIB_CTRL_PLLCAL_DONE_MASK;
376 mask = data;
377 data = polling_with_timeout(addr, data, mask, 100);
378 if (data != 0) {
Masahiro Yamada81e10422017-09-16 14:10:41 +0900379 pr_err("PLL calibration is not done\n");
Stefan Roese648391c2016-08-30 16:48:20 +0200380 debug("Read from reg = %p - value = 0x%x\n", addr, data);
381 ret = 0;
382 }
383
Grzegorz Jaszczyk85bb2062019-02-27 15:35:58 +0100384 addr = utmi_pll_addr + UTMI_PLL_CTRL_REG;
Stefan Roese648391c2016-08-30 16:48:20 +0200385 data = UTMI_PLL_CTRL_PLL_RDY_MASK;
386 mask = data;
387 data = polling_with_timeout(addr, data, mask, 100);
388 if (data != 0) {
Masahiro Yamada81e10422017-09-16 14:10:41 +0900389 pr_err("PLL is not ready\n");
Stefan Roese648391c2016-08-30 16:48:20 +0200390 debug("Read from reg = %p - value = 0x%x\n", addr, data);
391 ret = 0;
392 }
393
394 if (ret)
395 debug("Passed\n");
396 else
397 debug("\n");
398
399 debug_exit();
400 return ret;
401}
402
403/*
404 * comphy_utmi_phy_init initialize the UTMI PHY
405 * the init split in 3 parts:
406 * 1. Power down transceiver and PLL
407 * 2. UTMI PHY configure
Omri Itach561930c2017-04-06 12:54:16 +0300408 * 3. Power up transceiver and PLL
Stefan Roese648391c2016-08-30 16:48:20 +0200409 * Note: - Power down/up should be once for both UTMI PHYs
410 * - comphy_dedicated_phys_init call this function if at least there is
411 * one UTMI PHY exists in FDT blob. access to cp110_utmi_data[0] is
412 * legal
413 */
414static void comphy_utmi_phy_init(u32 utmi_phy_count,
415 struct utmi_phy_data *cp110_utmi_data)
416{
417 u32 i;
418
419 debug_enter();
420 /* UTMI Power down */
421 for (i = 0; i < utmi_phy_count; i++) {
422 comphy_utmi_power_down(i, cp110_utmi_data[i].utmi_base_addr,
423 cp110_utmi_data[i].usb_cfg_addr,
424 cp110_utmi_data[i].utmi_cfg_addr,
425 cp110_utmi_data[i].utmi_phy_port);
426 }
427 /* PLL Power down */
428 debug("stage: UTMI PHY power down PLL\n");
429 for (i = 0; i < utmi_phy_count; i++) {
430 reg_set(cp110_utmi_data[i].usb_cfg_addr,
431 0x0 << UTMI_USB_CFG_PLL_OFFSET, UTMI_USB_CFG_PLL_MASK);
432 }
433 /* UTMI configure */
434 for (i = 0; i < utmi_phy_count; i++) {
Grzegorz Jaszczyk85bb2062019-02-27 15:35:58 +0100435 comphy_utmi_phy_config(i, cp110_utmi_data[i].utmi_pll_addr,
436 cp110_utmi_data[i].utmi_base_addr,
Stefan Roese648391c2016-08-30 16:48:20 +0200437 cp110_utmi_data[i].usb_cfg_addr,
438 cp110_utmi_data[i].utmi_cfg_addr,
439 cp110_utmi_data[i].utmi_phy_port);
440 }
441 /* UTMI Power up */
442 for (i = 0; i < utmi_phy_count; i++) {
Grzegorz Jaszczyk85bb2062019-02-27 15:35:58 +0100443 if (!comphy_utmi_power_up(i, cp110_utmi_data[i].utmi_pll_addr,
444 cp110_utmi_data[i].utmi_base_addr,
Stefan Roese648391c2016-08-30 16:48:20 +0200445 cp110_utmi_data[i].usb_cfg_addr,
446 cp110_utmi_data[i].utmi_cfg_addr,
447 cp110_utmi_data[i].utmi_phy_port)) {
Masahiro Yamada81e10422017-09-16 14:10:41 +0900448 pr_err("Failed to initialize UTMI PHY %d\n", i);
Stefan Roese648391c2016-08-30 16:48:20 +0200449 continue;
450 }
451 printf("UTMI PHY %d initialized to ", i);
Stefan Roeseb781f572017-04-24 18:45:23 +0300452 if (cp110_utmi_data[i].utmi_phy_port ==
453 UTMI_PHY_TO_USB3_DEVICE0)
Stefan Roese648391c2016-08-30 16:48:20 +0200454 printf("USB Device\n");
455 else
456 printf("USB Host%d\n",
457 cp110_utmi_data[i].utmi_phy_port);
458 }
459 /* PLL Power up */
460 debug("stage: UTMI PHY power up PLL\n");
461 for (i = 0; i < utmi_phy_count; i++) {
462 reg_set(cp110_utmi_data[i].usb_cfg_addr,
463 0x1 << UTMI_USB_CFG_PLL_OFFSET, UTMI_USB_CFG_PLL_MASK);
464 }
465
466 debug_exit();
467 return;
468}
469
470/*
471 * comphy_dedicated_phys_init initialize the dedicated PHYs
472 * - not muxed SerDes lanes e.g. UTMI PHY
473 */
474void comphy_dedicated_phys_init(void)
475{
476 struct utmi_phy_data cp110_utmi_data[MAX_UTMI_PHY_COUNT];
Omri Itach561930c2017-04-06 12:54:16 +0300477 int node = -1;
478 int node_idx;
Grzegorz Jaszczyk85bb2062019-02-27 15:35:58 +0100479 int parent = -1;
Stefan Roese648391c2016-08-30 16:48:20 +0200480
481 debug_enter();
482 debug("Initialize USB UTMI PHYs\n");
483
Omri Itach561930c2017-04-06 12:54:16 +0300484 for (node_idx = 0; node_idx < MAX_UTMI_PHY_COUNT;) {
485 /* Find the UTMI phy node in device tree */
486 node = fdt_node_offset_by_compatible(gd->fdt_blob, node,
487 "marvell,mvebu-utmi-2.6.0");
488 if (node <= 0)
489 break;
Stefan Roese648391c2016-08-30 16:48:20 +0200490
Omri Itach561930c2017-04-06 12:54:16 +0300491 /* check if node is enabled */
492 if (!fdtdec_get_is_enabled(gd->fdt_blob, node))
493 continue;
494
Grzegorz Jaszczyk85bb2062019-02-27 15:35:58 +0100495 parent = fdt_parent_offset(gd->fdt_blob, node);
496 if (parent <= 0)
497 break;
498
499 /* get base address of UTMI PLL */
500 cp110_utmi_data[node_idx].utmi_pll_addr =
501 (void __iomem *)fdtdec_get_addr_size_auto_noparent(
502 gd->fdt_blob, parent, "reg", 0, NULL, true);
503 if (!cp110_utmi_data[node_idx].utmi_pll_addr) {
504 pr_err("UTMI PHY PLL address is invalid\n");
505 continue;
506 }
507
Stefan Roese648391c2016-08-30 16:48:20 +0200508 /* get base address of UTMI phy */
Omri Itach561930c2017-04-06 12:54:16 +0300509 cp110_utmi_data[node_idx].utmi_base_addr =
Stefan Roese648391c2016-08-30 16:48:20 +0200510 (void __iomem *)fdtdec_get_addr_size_auto_noparent(
511 gd->fdt_blob, node, "reg", 0, NULL, true);
Omri Itach561930c2017-04-06 12:54:16 +0300512 if (!cp110_utmi_data[node_idx].utmi_base_addr) {
Masahiro Yamada81e10422017-09-16 14:10:41 +0900513 pr_err("UTMI PHY base address is invalid\n");
Stefan Roese648391c2016-08-30 16:48:20 +0200514 continue;
515 }
516
517 /* get usb config address */
Omri Itach561930c2017-04-06 12:54:16 +0300518 cp110_utmi_data[node_idx].usb_cfg_addr =
Stefan Roese648391c2016-08-30 16:48:20 +0200519 (void __iomem *)fdtdec_get_addr_size_auto_noparent(
520 gd->fdt_blob, node, "reg", 1, NULL, true);
Omri Itach561930c2017-04-06 12:54:16 +0300521 if (!cp110_utmi_data[node_idx].usb_cfg_addr) {
Masahiro Yamada81e10422017-09-16 14:10:41 +0900522 pr_err("UTMI PHY base address is invalid\n");
Stefan Roese648391c2016-08-30 16:48:20 +0200523 continue;
524 }
525
526 /* get UTMI config address */
Omri Itach561930c2017-04-06 12:54:16 +0300527 cp110_utmi_data[node_idx].utmi_cfg_addr =
Stefan Roese648391c2016-08-30 16:48:20 +0200528 (void __iomem *)fdtdec_get_addr_size_auto_noparent(
529 gd->fdt_blob, node, "reg", 2, NULL, true);
Omri Itach561930c2017-04-06 12:54:16 +0300530 if (!cp110_utmi_data[node_idx].utmi_cfg_addr) {
Masahiro Yamada81e10422017-09-16 14:10:41 +0900531 pr_err("UTMI PHY base address is invalid\n");
Stefan Roese648391c2016-08-30 16:48:20 +0200532 continue;
533 }
534
535 /*
536 * get the port number (to check if the utmi connected to
537 * host/device)
538 */
Omri Itach561930c2017-04-06 12:54:16 +0300539 cp110_utmi_data[node_idx].utmi_phy_port = fdtdec_get_int(
Stefan Roese648391c2016-08-30 16:48:20 +0200540 gd->fdt_blob, node, "utmi-port", UTMI_PHY_INVALID);
Omri Itach561930c2017-04-06 12:54:16 +0300541 if (cp110_utmi_data[node_idx].utmi_phy_port ==
542 UTMI_PHY_INVALID) {
Masahiro Yamada81e10422017-09-16 14:10:41 +0900543 pr_err("UTMI PHY port type is invalid\n");
Stefan Roese648391c2016-08-30 16:48:20 +0200544 continue;
545 }
546
Omri Itach561930c2017-04-06 12:54:16 +0300547 /* count valid UTMI unit */
548 node_idx++;
Stefan Roese648391c2016-08-30 16:48:20 +0200549 }
550
Omri Itach561930c2017-04-06 12:54:16 +0300551 if (node_idx > 0)
552 comphy_utmi_phy_init(node_idx, cp110_utmi_data);
Stefan Roese648391c2016-08-30 16:48:20 +0200553
554 debug_exit();
555}
556
Stefan Roese648391c2016-08-30 16:48:20 +0200557int comphy_cp110_init(struct chip_serdes_phy_config *ptr_chip_cfg,
558 struct comphy_map *serdes_map)
559{
560 struct comphy_map *ptr_comphy_map;
561 void __iomem *comphy_base_addr, *hpipe_base_addr;
Igal Libermand009fee2018-05-09 18:50:29 +0300562 u32 comphy_max_count, lane, id, ret = 0;
Stefan Roese648391c2016-08-30 16:48:20 +0200563 u32 pcie_width = 0;
Grzegorz Jaszczyk7928a8e2020-10-18 17:11:11 +0300564 u32 mode;
Stefan Roese648391c2016-08-30 16:48:20 +0200565
566 debug_enter();
567
568 comphy_max_count = ptr_chip_cfg->comphy_lanes_count;
569 comphy_base_addr = ptr_chip_cfg->comphy_base_addr;
570 hpipe_base_addr = ptr_chip_cfg->hpipe3_base_addr;
571
Stefan Roese648391c2016-08-30 16:48:20 +0200572 /* Check if the first 4 lanes configured as By-4 */
573 for (lane = 0, ptr_comphy_map = serdes_map; lane < 4;
574 lane++, ptr_comphy_map++) {
Igal Libermanffd5d2f2017-04-26 15:40:00 +0300575 if (ptr_comphy_map->type != COMPHY_TYPE_PEX0)
Stefan Roese648391c2016-08-30 16:48:20 +0200576 break;
577 pcie_width++;
578 }
579
580 for (lane = 0, ptr_comphy_map = serdes_map; lane < comphy_max_count;
581 lane++, ptr_comphy_map++) {
582 debug("Initialize serdes number %d\n", lane);
583 debug("Serdes type = 0x%x\n", ptr_comphy_map->type);
584 if (lane == 4) {
585 /*
586 * PCIe lanes above the first 4 lanes, can be only
587 * by1
588 */
589 pcie_width = 1;
590 }
591 switch (ptr_comphy_map->type) {
Igal Libermanffd5d2f2017-04-26 15:40:00 +0300592 case COMPHY_TYPE_UNCONNECTED:
Igal Libermand622f8e2018-11-19 09:58:32 +0200593 mode = COMPHY_TYPE_UNCONNECTED | COMPHY_CALLER_UBOOT;
Christine Gharzuzic63fa152018-05-23 12:10:36 +0300594 ret = comphy_smc(MV_SIP_COMPHY_POWER_OFF,
595 ptr_chip_cfg->comphy_base_addr,
Igal Libermand622f8e2018-11-19 09:58:32 +0200596 lane, mode);
Igal Libermanffd5d2f2017-04-26 15:40:00 +0300597 case COMPHY_TYPE_IGNORE:
Stefan Roese648391c2016-08-30 16:48:20 +0200598 continue;
599 break;
Igal Libermanffd5d2f2017-04-26 15:40:00 +0300600 case COMPHY_TYPE_PEX0:
601 case COMPHY_TYPE_PEX1:
602 case COMPHY_TYPE_PEX2:
603 case COMPHY_TYPE_PEX3:
Grzegorz Jaszczykc42b5a32020-10-18 17:11:12 +0300604 mode = COMPHY_FW_PCIE_FORMAT(pcie_width,
605 ptr_comphy_map->clk_src,
606 COMPHY_PCIE_MODE,
607 ptr_comphy_map->speed);
608 ret = comphy_smc(MV_SIP_COMPHY_POWER_ON,
609 ptr_chip_cfg->comphy_base_addr, lane,
610 mode);
Stefan Roese648391c2016-08-30 16:48:20 +0200611 break;
Igal Libermanffd5d2f2017-04-26 15:40:00 +0300612 case COMPHY_TYPE_SATA0:
613 case COMPHY_TYPE_SATA1:
Denis Odintsovfcbb2552021-09-15 15:45:31 +0200614 mode = COMPHY_FW_SATA_FORMAT(COMPHY_SATA_MODE,
615 serdes_map[lane].invert);
Grzegorz Jaszczyk7928a8e2020-10-18 17:11:11 +0300616 ret = comphy_sata_power_up(lane, hpipe_base_addr,
617 comphy_base_addr,
618 ptr_chip_cfg->cp_index,
619 mode);
Stefan Roese648391c2016-08-30 16:48:20 +0200620 break;
Igal Libermanffd5d2f2017-04-26 15:40:00 +0300621 case COMPHY_TYPE_USB3_HOST0:
622 case COMPHY_TYPE_USB3_HOST1:
Grzegorz Jaszczyke1659702018-03-29 12:30:20 +0200623 mode = COMPHY_FW_MODE_FORMAT(COMPHY_USB3H_MODE);
624 ret = comphy_smc(MV_SIP_COMPHY_POWER_ON,
625 ptr_chip_cfg->comphy_base_addr, lane,
626 mode);
627 break;
Igal Libermanffd5d2f2017-04-26 15:40:00 +0300628 case COMPHY_TYPE_USB3_DEVICE:
Grzegorz Jaszczyke1659702018-03-29 12:30:20 +0200629 mode = COMPHY_FW_MODE_FORMAT(COMPHY_USB3D_MODE);
630 ret = comphy_smc(MV_SIP_COMPHY_POWER_ON,
631 ptr_chip_cfg->comphy_base_addr, lane,
632 mode);
Stefan Roese648391c2016-08-30 16:48:20 +0200633 break;
Igal Libermanffd5d2f2017-04-26 15:40:00 +0300634 case COMPHY_TYPE_SGMII0:
635 case COMPHY_TYPE_SGMII1:
Igal Libermanffd5d2f2017-04-26 15:40:00 +0300636 case COMPHY_TYPE_SGMII2:
Igal Libermand009fee2018-05-09 18:50:29 +0300637 /* Calculate SGMII ID */
638 id = ptr_comphy_map->type - COMPHY_TYPE_SGMII0;
639
Igal Libermanffd5d2f2017-04-26 15:40:00 +0300640 if (ptr_comphy_map->speed == COMPHY_SPEED_INVALID) {
Stefan Roese648391c2016-08-30 16:48:20 +0200641 debug("Warning: SGMII PHY speed in lane %d is invalid, set PHY speed to 1.25G\n",
642 lane);
Igal Libermanffd5d2f2017-04-26 15:40:00 +0300643 ptr_comphy_map->speed = COMPHY_SPEED_1_25G;
Stefan Roese648391c2016-08-30 16:48:20 +0200644 }
Grzegorz Jaszczyk7928a8e2020-10-18 17:11:11 +0300645
Igal Libermand009fee2018-05-09 18:50:29 +0300646 mode = COMPHY_FW_FORMAT(COMPHY_SGMII_MODE, id,
Grzegorz Jaszczyk7928a8e2020-10-18 17:11:11 +0300647 ptr_comphy_map->speed);
648 ret = comphy_smc(MV_SIP_COMPHY_POWER_ON,
649 ptr_chip_cfg->comphy_base_addr, lane,
650 mode);
Stefan Roese648391c2016-08-30 16:48:20 +0200651 break;
Igal Libermand7297e32018-05-14 11:20:54 +0300652 case COMPHY_TYPE_SFI0:
653 case COMPHY_TYPE_SFI1:
654 /* Calculate SFI id */
655 id = ptr_comphy_map->type - COMPHY_TYPE_SFI0;
656 mode = COMPHY_FW_FORMAT(COMPHY_SFI_MODE, id,
Grzegorz Jaszczyk7928a8e2020-10-18 17:11:11 +0300657 ptr_comphy_map->speed);
658 ret = comphy_smc(MV_SIP_COMPHY_POWER_ON,
Igal Libermand7297e32018-05-14 11:20:54 +0300659 ptr_chip_cfg->comphy_base_addr, lane, mode);
Stefan Roese648391c2016-08-30 16:48:20 +0200660 break;
Igal Libermanffd5d2f2017-04-26 15:40:00 +0300661 case COMPHY_TYPE_RXAUI0:
662 case COMPHY_TYPE_RXAUI1:
Grzegorz Jaszczykbeb4a912018-03-27 12:52:24 +0200663 mode = COMPHY_FW_MODE_FORMAT(COMPHY_RXAUI_MODE);
664 ret = comphy_smc(MV_SIP_COMPHY_POWER_ON,
665 ptr_chip_cfg->comphy_base_addr, lane,
666 mode);
Stefan Roese648391c2016-08-30 16:48:20 +0200667 break;
668 default:
669 debug("Unknown SerDes type, skip initialize SerDes %d\n",
670 lane);
671 break;
672 }
673 if (ret == 0) {
674 /*
Stefan Roese4fbca012017-04-24 18:45:25 +0300675 * If interface wans't initialized, set the lane to
Igal Libermanffd5d2f2017-04-26 15:40:00 +0300676 * COMPHY_TYPE_UNCONNECTED state.
Stefan Roese648391c2016-08-30 16:48:20 +0200677 */
Igal Libermanffd5d2f2017-04-26 15:40:00 +0300678 ptr_comphy_map->type = COMPHY_TYPE_UNCONNECTED;
Masahiro Yamada81e10422017-09-16 14:10:41 +0900679 pr_err("PLL is not locked - Failed to initialize lane %d\n",
Stefan Roese648391c2016-08-30 16:48:20 +0200680 lane);
681 }
682 }
683
684 debug_exit();
685 return 0;
686}